{% extends 'df_goods/base.html' %}
{% block head %}
    <script type="text/javascript">
    $(function () {
        $('.add').click(function () {
            num = parseFloat($('.num_show').val());
            $('.num_show').val(num+1);
            cal();
        });

        $('.minus').click(function () {
            num = parseFloat($('.num_show').val());
            if(num>1)
                $('.num_show').val(num-1);

            cal()
        });
        $('.num_show').blur(function () {
           if($(this).val()<1)
               $(this).val(1);
        });
        cal();
        function cal() {

            $num1 = $(".num_show").val();
            $('.total em').html(parseInt($('.show_pirze em').text())*parseInt($num1)+"元");
        }
    })
    </script>
{% endblock head %}
    {% block detail %}

	<div class="goods_detail_con clearfix">
		<div class="goods_detail_pic fl"><img src="/static/images/goods_detail.jpg"></div>

		<div class="goods_detail_list fr">
			<h3>{{ title }}</h3>
			<p>{{ g.gjianjie }}</p>
			<div class="prize_bar">
				<span class="show_pirze">¥<em>{{ g.gprice }}</em></span>
				<span class="show_unit">单  位：{{ g.gunit }}</span>
			</div>
			<div class="goods_num clearfix">
				<div class="num_name fl">数 量：</div>
				<div class="num_add fl">
					<input type="text" class="num_show fl" id="test" value="1">
					<a href="javascript:;" class="add fr">+</a>
					<a href="javascript:;" class="minus fr">-</a>
				</div> 
			</div>
			<div class="total">总价：<em>元</em></div>
			<div class="operate_btn">
				<a href="javascript:;" class="buy_btn">立即购买</a>
				<a href="javascript:;" class="add_cart" id="add_cart">加入购物车</a>				
			</div>
		</div>
	</div>
{% endblock detail %}
{% block detail2 %}
		<div class="r_wrap fr clearfix">
			<ul class="detail_tab clearfix">
				<li class="active">商品介绍</li>
				<li>评论</li>
			</ul>

			<div class="tab_content">
				<dl>
					<dt>商品详情：</dt>
					<dd>{{ g.gcontent|safe }} </dd>
				</dl>
			</div>

		</div>
    <div class="add_jump"></div>

	<script type="text/javascript">
		var $add_x = $('#add_cart').offset().top;
		var $add_y = $('#add_cart').offset().left;

		var $to_x = $('#show_count').offset().top;
		var $to_y = $('#show_count').offset().left;

		$(".add_jump").css({'left':$add_y+80,'top':$add_x+10,'display':'block'});
		$('#add_cart').click(function(){
		    if($('.login_btn').children().first().text().indexOf('登录')>=0)
            {
                alert('请先登录后购买');
                location.href='/user/login/';
                return ;
            }

			$(".add_jump").stop().animate({
				'left': $to_y+7,
				'top': $to_x+7},
				"fast", function() {
					$(".add_jump").fadeOut('fast',function(){});
			});

		    // 异步
            num = parseInt($('.num_show').val());
            $.get('/cart/add{{ g.id }}_'+num+'/',function (data) {
              $('#show_count').text(data.count);
            })
		})
	</script>
{% endblock detail2 %}

